189598460 has 12 divisors (see below), whose sum is σ = 398156808. Its totient is φ = 75839376.

The previous prime is 189598459. The next prime is 189598523. The reversal of 189598460 is 64895981.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 189598399 and 189598408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4739942 + ... + 4739981.

It is an arithmetic number, because the mean of its divisors is an integer number (33179734).

Almost surely, 2^189598460 is an apocalyptic number.

189598460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189598460 is an abundant number, since it is smaller than the sum of its proper divisors (208558348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189598460 is a wasteful number, since it uses less digits than its factorization.

189598460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9479932 (or 9479930 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 189598460 is about 13769.4756617672. The cubic root of 189598460 is about 574.4844376804.

The spelling of 189598460 in words is "one hundred eighty-nine million, five hundred ninety-eight thousand, four hundred sixty".